28809681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4637}}^1$

素因数の和:4768

約数の個数: 16

約数和(自身を含む): 40814400

約数和(自身を除く): 12004719

約数列:

[1, 3, 19, 57, 109, 327, 2071, 4637, 6213, 13911, 88103, 264309, 505433, 1516299, 9603227, 28809681]

約数ペア:

[(1, 28809681), (3, 9603227), (19, 1516299), (57, 505433), (109, 264309), (327, 88103), (2071, 13911), (4637, 6213)]